Go to homepageCyberStrike

Menu

Star on GitHub · 3.2k
Sign inDownload

CVE-2023-23759

7.5 · HIGH

There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely.

Published May 18, 2023CWE-617EPSS 0.72%

Overview

CVE-2023-23759 is a high-severity vulnerability. It was published on May 18, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

There is a vulnerability in the fizz library prior to v2023.01.30.00 where a CHECK failure can be triggered remotely. This behavior requires the client supported cipher advertisement changing between the original ClientHello and the second ClientHello, crashing the process (impact is limited to denial of service).

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/facebookincubator/fizz/commit/8d3649841597bedfb6986c30431ebad0eb215265Refwww.facebook.com/security/advisories/cve-2023-23759GitHubgithub.com/facebookincubator/fizz/commit/8d3649841597bedfb6986c30431ebad0eb215265Refwww.facebook.com/security/advisories/cve-2023-23759

How CyberStrike helps

Frequently asked questions

What is CVE-2023-23759?

CVE-2023-23759 is a high-severity vulnerability. It was published on May 18, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-23759?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-23759?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-23759?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-23759 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

Related HIGH CVEs from 2023

View all
Browse by year2026202520242023202220212020201920182017201620152014201320122011201020092008200720062005200420032002200120001999